[Tutor] is it possible to create and amend classes during run-time?

[Bjorn Madsen]

Sorry I didn't get back earlier. But in short: Thank you!
Kind Regards,
Bjorn

On 3 May 2012 00:01, Alan Gauld <alan.gauld at btinternet.com> wrote:

> Does anyone know if it is possible during run-time to:
>>> a) add attributes to classes, which will unknown at program start, but
>>> "emerge" later whilst the program is running?
>>>
>>
> Yes, but its not very useful since the rest of your code won't know how to
> access those attributes. There are ways around that (getattr() etc)
> but in general it's a bad design pattern that should be avoided.
>
> But Python is an interpreted language so anything you can do in a script
> file can also be done at runtime.
>
>
>  b) add subclasses to class (also during runtime)
>>>
>>
> I'm not sure what you mean, but I'm guessing you are asking if you can
> subclass an existing class. That is create a new class, and again the
> answer is yes.
>
> --
> Alan G
> Author of the Learn to Program web site
> http://www.alan-g.me.uk/
>
>
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-- 
Bjorn Madsen
*Researcher Complex Systems Research*
Ph.: (+44) 0 7792 030 720 Ph.2: (+44) 0 1767 220 828
bjorn.madsen at operationsresearchgroup.com
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